(19)

(11)

EP 0 803 078 A1

(12)

(43) Date of publication: 29.10.1997 Bulletin 1997/44 (21) Application number: 95928063.0 (22) Date of filing: 20.07.1995

(51) International Patent Classification (IPC):  G02F 1/ 136( . ) G02F 1/ 1368( . ) G02F 1/ 1362( . ) (86) International application number: PCT/US1995/008785 (87) International publication number: WO 1996/002866 (01.02.1996 Gazette 1996/06)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 20.07.1994 US 19940277824 (71) Applicant: Sarnoff Corporation Princeton, New Jersey 08540 (US)	(72) Inventor: ATHERTON, James, H. Ringoes, NJ 08551 (US) (74) Representative: Pratt, Richard Wilson  D. Young & Co, 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)